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2026-04-16 - 21:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Apr 16, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17988212767,8sleep00-21swapper/007:06:490
17944212564,7sleep30-21swapper/307:06:153
180372113103,7sleep20-21swapper/207:07:262
12642211198,7sleep10-21swapper/107:05:011
252242610,1sleep30-21swapper/308:10:153
308902590,0sleep10-21swapper/107:45:171
16462580,0sleep20-21swapper/211:35:252
62642560,0sleep10-21swapper/109:20:011
33362550,0sleep20-21swapper/211:40:182
327132540,0sleep20-21swapper/208:15:172
296412540,0sleep00-21swapper/007:45:160
1840499310,30cyclictest0-21swapper/109:45:111
1840999280,27cyclictest0-21swapper/208:53:052
1840999270,26cyclictest0-21swapper/212:38:272
1840999270,26cyclictest0-21swapper/210:57:452
1840999270,26cyclictest0-21swapper/209:05:102
18409992523,2cyclictest0-21swapper/209:04:322
18409992522,2cyclictest0-21swapper/211:30:112
18409992421,3cyclictest0-21swapper/208:48:232
18409992421,2cyclictest0-21swapper/211:16:422
1840999240,23cyclictest0-21swapper/212:23:572
18396992420,2cyclictest10496-21turbostat.cron08:54:590
1840999231,21cyclictest0-21swapper/209:55:162
1840999231,20cyclictest0-21swapper/211:25:172
1840999230,22cyclictest0-21swapper/208:10:382
1840999230,22cyclictest0-21swapper/207:57:392
1839699237,14cyclictest0-21swapper/012:10:100
18396992315,7cyclictest2007-21apt-get09:45:120
1840999226,15cyclictest0-21swapper/207:25:102
18409992218,3cyclictest0-21swapper/212:12:302
1840999220,3cyclictest0-21swapper/210:40:542
1840999220,21cyclictest0-21swapper/212:19:042
1840999220,21cyclictest0-21swapper/211:56:252
1840999220,21cyclictest0-21swapper/210:54:572
1840999220,21cyclictest0-21swapper/210:22:482
18404992220,2cyclictest0-21swapper/109:26:251
1840499220,2cyclictest0-21swapper/109:00:091
1840499220,21cyclictest0-21swapper/109:39:341
1840499220,20cyclictest0-21swapper/109:20:181
1840499220,20cyclictest0-21swapper/109:12:081
1839699220,20cyclictest26596-21/usr/sbin/munin12:30:120
18409992119,1cyclictest749-21snmpd12:00:332
18409992118,2cyclictest749-21snmpd11:13:232
18409992117,2cyclictest7296-21turbostat07:54:592
18409992117,2cyclictest426-21sadc09:15:002
18409992117,2cyclictest17698-21sadc11:25:012
1840999210,2cyclictest0-21swapper/207:14:242
1840999210,20cyclictest0-21swapper/209:33:192
1840999210,20cyclictest0-21swapper/208:43:552
18404992119,2cyclictest0-21swapper/110:36:251
18404992117,3cyclictest0-21swapper/111:40:031
18404992117,3cyclictest0-21swapper/110:12:441
18404992117,3cyclictest0-21swapper/108:34:471
18404992117,3cyclictest0-21swapper/108:24:261
1840499210,16cyclictest0-21swapper/112:07:161
18396992120,1cyclictest0-21swapper/009:15:130
18396992119,1cyclictest749-21snmpd08:47:500
18396992118,3cyclictest0-21swapper/007:54:530
1839699210,20cyclictest0-21swapper/010:19:020
219272208,3sleep30-21swapper/309:05:063
1840999204,15cyclictest0-21swapper/210:36:242
18409992018,2cyclictest0-21swapper/210:01:442
18409992018,1cyclictest749-21snmpd10:12:192
18409992018,1cyclictest749-21snmpd09:48:552
18409992018,1cyclictest749-21snmpd09:28:292
18409992018,1cyclictest749-21snmpd09:20:072
18409992018,1cyclictest749-21snmpd08:06:562
18409992018,1cyclictest749-21snmpd07:24:572
18409992018,1cyclictest749-21snmpd07:16:272
18409992017,3cyclictest0-21swapper/209:50:232
18409992017,2cyclictest0-21swapper/210:48:512
18409992016,3cyclictest0-21swapper/210:25:112
1840999201,15cyclictest0-21swapper/211:05:232
1840999200,2cyclictest0-21swapper/210:15:202
1840999200,20cyclictest0-21swapper/210:30:062
1840999200,20cyclictest0-21swapper/210:30:052
1840999200,20cyclictest0-21swapper/207:30:072
1840999200,1cyclictest0-21swapper/211:53:272
1840999200,19cyclictest0-21swapper/209:15:442
1840999200,14cyclictest0-21swapper/208:00:002
18404992018,2cyclictest0-21swapper/108:59:441
18404992017,3cyclictest0-21swapper/109:58:311
18404992017,2cyclictest749-21snmpd12:30:121
18404992016,3cyclictest0-21swapper/112:04:331
18404992016,3cyclictest0-21swapper/110:47:361
18404992016,3cyclictest0-21swapper/110:31:061
18404992016,3cyclictest0-21swapper/110:31:051
18404992016,3cyclictest0-21swapper/108:41:161
18404992016,3cyclictest0-21swapper/107:42:591
18396992018,1cyclictest749-21snmpd12:25:240
18396992018,1cyclictest749-21snmpd11:23:510
18396992018,1cyclictest749-21snmpd11:01:150
18396992018,1cyclictest749-21snmpd09:36:590
18396992018,1cyclictest749-21snmpd07:59:070
18396992018,1cyclictest749-21snmpd07:29:280
77282190,0sleep30-21swapper/308:50:193
195102199,3sleep30-21swapper/310:26:263
1840999192,16cyclictest0-21swapper/207:43:562
18409991917,1cyclictest749-21snmpd10:09:502
18409991917,1cyclictest749-21snmpd09:43:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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